What is the minimum diameter allowed for...

Question 1 of 3109366636ee728f7522a1c51815e

What is the minimum diameter allowed for bilge piping on small passenger vessels which are more than 65 feet in length?

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Question 1 of 31093

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What is the minimum diameter allowed for bilge piping on small passenger vessels which are more than 65 feet in length?

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🔍 Key Concepts

• 46 CFR Subchapter T requirements for bilge systems on small passenger vessels • Specific table/section on minimum bilge suction piping diameters based on vessel length • Difference between common bilge hose sizes and regulatory minimums

💭 Think About

• First, identify which CFR subchapter and part covers bilge systems for small passenger vessels over 65 feet. • Then, think about how vessel length typically affects required pipe sizes for drainage and pumping capacity. • Compare the listed answer choices with what you know about practical bilge suction sizes commonly installed on vessels just over 65 feet.

✅ Before You Answer

• Confirm you are looking at 46 CFR Subchapter T (Small Passenger Vessels) and the correct section on bilge piping, not fuel or fire main piping. • Verify the row in the regulation that corresponds to vessels over 65 ft in length and read the minimum internal diameter specified there. • Make sure you are using the regulatory minimum diameter from the table, not a larger size you may have seen in practice on specific vessels.